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tape: make fsf/bsf driver specific

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Because the virtual tape driver behaves different than LTO drives.
This commit is contained in:
Dietmar Maurer
2021-04-06 11:09:21 +02:00
parent d26985a600
commit 8b2c6f5dbc
3 changed files with 89 additions and 67 deletions
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19
src/tape/drive/mod.rs
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@ -88,24 +88,7 @@ pub trait TapeDriver {
fn move_to_eom(&mut self) -> Result<(), Error>;
/// Move to last file
fn move_to_last_file(&mut self) -> Result<(), Error> {
self.move_to_eom()?;
if self.current_file_number()? == 0 {
bail!("move_to_last_file failed - media contains no data");
}
self.backward_space_count_files(2)?;
Ok(())
}
/// Forward space count files. The tape is positioned on the first block of the next file.
fn forward_space_count_files(&mut self, count: usize) -> Result<(), Error>;
/// Backward space count files. The tape is positioned on the last block of the previous file.
fn backward_space_count_files(&mut self, count: usize) -> Result<(), Error>;
fn move_to_last_file(&mut self) -> Result<(), Error>;
/// Current file number
fn current_file_number(&mut self) -> Result<u64, Error>;